It is six times more expensive for society - and for you individually - if you travel by car instead of cycling. This has been shown in a Lund University study of Copenhagen, a city of cyclists. It is the first time a price has been put on car use as compared to cycling.
The project HYSOL is entering into the demonstration stage in order to see the technical, economical and environmental advantages of using a hybridization of solar power with fossil and renewable fuels.
Researchers have discovered a method to separate two rare earth elements - europium and yttrium - with UV light instead of with traditional solvents. Their findings offer new opportunities for the recycling of fluorescent lamps and low-energy light bulbs.
Wind turbines deliver environmentally friendly electricity. Yet the fiber-reinforced plastics often used in very large rotor blades are almost impossible to recycle. Not so with steel blades: since these are composed of steel, their recyclability exceeds 90 percent. Plus they cost significantly less than comparable plastic blades.
Plastic products advertised as biodegradable have recently emerged, but they sound almost too good to be true. Scientists have now found out that, at least for now, consumers have good reason to doubt these claims. In a new study, plastics designed to degrade didn't break down any faster than their more conventional counterparts.
Researchers have found a way to make jet fuel from a common black fungus found in decaying leaves, soil and rotting fruit. The researchers hope the process leads to economically viable production of aviation biofuels in the next five years.
A few years ago, it was rooftop solar. Now battery storage is the new silver bullet to solve our energy problems. Storage is a great step forward, and it will play an important role in our sustainable energy future. But it is just one piece of the jigsaw puzzle that is our energy future.
Producing pure aluminium from ore accounts for as much as 1 per cent of all greenhouse gas emissions worldwide. Recycling is the best way to reduce that carbon footprint - but manufacturers and recycling companies will have to plan carefully to avoid problems with impurities that accumulate in recycled aluminium over time.